oj.uz

Submission #986910

# Submission time Handle Problem Language Result Execution time Memory
986910 2024-05-21T14:37:57 Z PagodePaiva Arranging Shoes (IOI19_shoes) C++17
100 / 100
 218 ms 276572 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
const int N = 400010;
queue <int> q[N];
int res[N];
int dp[N];

struct Segtree{
	int tree[4*N];
	int join(int a, int b){
		return a+b;
	}
	void build(int node, int l,int r){
		if(l == r){
			tree[node] = 0;
			return;
		}
		int mid = (l+r)/2;
		build(2*node, l, mid);
		build(2*node+1, mid+1, r);
		tree[node] = 0;
		return;
	}
	void update(int node, int l, int r, int pos){
		if(l == r){
			tree[node] = 1;
			return;
		}
		int mid = (l+r)/2;
		if(l <= pos and pos <= mid) update(2*node, l, mid, pos);
		else update(2*node+1, mid+1, r, pos);
		tree[node] = join(tree[2*node], tree[2*node+1]);
	}
	int query(int node, int l, int r, int tl, int tr){
		if(l <= tl and tr <= r) return tree[node];
		if(l > tr or tl > r) return 0;
		int mid = (tl+tr)/2;
		return join(query(2*node, l, r, tl, mid), query(2*node+1, l, r, mid+1, tr));
	}
} seg;

long long count_swaps(std::vector<int> v) {
	int n = v.size();
	int num = n;
	for(int i = v.size()-1;i >= 0;i--){
		if(q[v[i]+n].empty()){
			if(v[i] > 0){
				res[i+1] = num;
				q[n-v[i]].push(num-1);
			}
			else{
				res[i+1] = num-1;
				q[n-v[i]].push(num);
			}
			num -= 2;
		}
		else{
			res[i+1] = q[v[i]+n].front();
			q[v[i]+n].pop();
		}
	}
	long long resp = 0;
	for(int i = 1;i <= n;i++){
		// cout << res[i] << ' ';
		resp += seg.query(1, res[i], n, 1, n);
		seg.update(1, 1, n, res[i]);
	}
	return resp;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 270636 KB Output is correct
2 Correct 128 ms 270676 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 270636 KB Output is correct
2 Correct 128 ms 270676 KB Output is correct
3 Correct 148 ms 270676 KB Output is correct
4 Correct 143 ms 270716 KB Output is correct
5 Correct 133 ms 270576 KB Output is correct
6 Correct 134 ms 270576 KB Output is correct
7 Correct 135 ms 270676 KB Output is correct
8 Correct 132 ms 270676 KB Output is correct
9 Correct 129 ms 270504 KB Output is correct
10 Correct 127 ms 270660 KB Output is correct
11 Correct 130 ms 270716 KB Output is correct
12 Correct 130 ms 270724 KB Output is correct
13 Correct 126 ms 270672 KB Output is correct
14 Correct 130 ms 270648 KB Output is correct
15 Correct 147 ms 270672 KB Output is correct
16 Correct 145 ms 270676 KB Output is correct
17 Correct 128 ms 270672 KB Output is correct
18 Correct 128 ms 270572 KB Output is correct
19 Correct 127 ms 270672 KB Output is correct
20 Correct 128 ms 270928 KB Output is correct
21 Correct 128 ms 270672 KB Output is correct
22 Correct 130 ms 270932 KB Output is correct
23 Correct 146 ms 270704 KB Output is correct
24 Correct 129 ms 270524 KB Output is correct
25 Correct 126 ms 270672 KB Output is correct
26 Correct 132 ms 270488 KB Output is correct
27 Correct 127 ms 270624 KB Output is correct
28 Correct 131 ms 270636 KB Output is correct
29 Correct 131 ms 270640 KB Output is correct
30 Correct 128 ms 270664 KB Output is correct
31 Correct 136 ms 270588 KB Output is correct
32 Correct 138 ms 270676 KB Output is correct
33 Correct 136 ms 270672 KB Output is correct
34 Correct 129 ms 270532 KB Output is correct
35 Correct 128 ms 270672 KB Output is correct
36 Correct 131 ms 270676 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 270636 KB Output is correct
2 Correct 128 ms 270676 KB Output is correct
3 Correct 136 ms 270704 KB Output is correct
4 Correct 129 ms 270524 KB Output is correct
5 Correct 127 ms 270680 KB Output is correct
6 Correct 128 ms 270676 KB Output is correct
7 Correct 128 ms 270672 KB Output is correct
8 Correct 127 ms 270724 KB Output is correct
9 Correct 127 ms 270604 KB Output is correct
10 Correct 133 ms 270676 KB Output is correct
11 Correct 129 ms 270600 KB Output is correct
12 Correct 128 ms 270676 KB Output is correct
13 Correct 132 ms 270520 KB Output is correct
14 Correct 128 ms 270724 KB Output is correct
15 Correct 132 ms 270568 KB Output is correct
16 Correct 127 ms 270672 KB Output is correct
17 Correct 134 ms 270908 KB Output is correct
18 Correct 128 ms 270736 KB Output is correct
19 Correct 135 ms 270676 KB Output is correct
20 Correct 137 ms 271184 KB Output is correct
21 Correct 132 ms 271032 KB Output is correct
22 Correct 218 ms 274772 KB Output is correct
23 Correct 195 ms 274848 KB Output is correct
24 Correct 179 ms 274792 KB Output is correct
25 Correct 184 ms 275284 KB Output is correct
26 Correct 191 ms 276152 KB Output is correct
27 Correct 173 ms 275796 KB Output is correct
28 Correct 186 ms 276564 KB Output is correct
29 Correct 185 ms 276572 KB Output is correct
30 Correct 183 ms 276564 KB Output is correct
31 Correct 189 ms 276040 KB Output is correct
32 Correct 183 ms 276488 KB Output is correct
33 Correct 180 ms 276304 KB Output is correct
34 Correct 179 ms 276564 KB Output is correct
35 Correct 128 ms 270672 KB Output is correct
36 Correct 145 ms 270504 KB Output is correct
37 Correct 184 ms 276560 KB Output is correct
38 Correct 183 ms 276564 KB Output is correct
39 Correct 191 ms 276564 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 270672 KB Output is correct
2 Correct 136 ms 270632 KB Output is correct
3 Correct 128 ms 270716 KB Output is correct
4 Correct 147 ms 270632 KB Output is correct
5 Correct 184 ms 274744 KB Output is correct
6 Correct 184 ms 275952 KB Output is correct
7 Correct 184 ms 276048 KB Output is correct
8 Correct 185 ms 276456 KB Output is correct
9 Correct 198 ms 275976 KB Output is correct
10 Correct 182 ms 276012 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 270636 KB Output is correct
2 Correct 128 ms 270676 KB Output is correct
3 Correct 148 ms 270676 KB Output is correct
4 Correct 143 ms 270716 KB Output is correct
5 Correct 133 ms 270576 KB Output is correct
6 Correct 134 ms 270576 KB Output is correct
7 Correct 135 ms 270676 KB Output is correct
8 Correct 132 ms 270676 KB Output is correct
9 Correct 129 ms 270504 KB Output is correct
10 Correct 127 ms 270660 KB Output is correct
11 Correct 130 ms 270716 KB Output is correct
12 Correct 130 ms 270724 KB Output is correct
13 Correct 126 ms 270672 KB Output is correct
14 Correct 130 ms 270648 KB Output is correct
15 Correct 147 ms 270672 KB Output is correct
16 Correct 145 ms 270676 KB Output is correct
17 Correct 128 ms 270672 KB Output is correct
18 Correct 128 ms 270572 KB Output is correct
19 Correct 127 ms 270672 KB Output is correct
20 Correct 128 ms 270928 KB Output is correct
21 Correct 128 ms 270672 KB Output is correct
22 Correct 130 ms 270932 KB Output is correct
23 Correct 146 ms 270704 KB Output is correct
24 Correct 129 ms 270524 KB Output is correct
25 Correct 126 ms 270672 KB Output is correct
26 Correct 132 ms 270488 KB Output is correct
27 Correct 127 ms 270624 KB Output is correct
28 Correct 131 ms 270636 KB Output is correct
29 Correct 131 ms 270640 KB Output is correct
30 Correct 128 ms 270664 KB Output is correct
31 Correct 136 ms 270588 KB Output is correct
32 Correct 138 ms 270676 KB Output is correct
33 Correct 136 ms 270672 KB Output is correct
34 Correct 129 ms 270532 KB Output is correct
35 Correct 128 ms 270672 KB Output is correct
36 Correct 131 ms 270676 KB Output is correct
37 Correct 127 ms 270672 KB Output is correct
38 Correct 130 ms 270676 KB Output is correct
39 Correct 136 ms 270592 KB Output is correct
40 Correct 134 ms 270564 KB Output is correct
41 Correct 133 ms 270676 KB Output is correct
42 Correct 129 ms 270592 KB Output is correct
43 Correct 132 ms 270652 KB Output is correct
44 Correct 131 ms 270676 KB Output is correct
45 Correct 131 ms 270732 KB Output is correct
46 Correct 135 ms 270712 KB Output is correct
47 Correct 134 ms 270612 KB Output is correct
48 Correct 130 ms 270520 KB Output is correct
49 Correct 135 ms 270672 KB Output is correct
50 Correct 133 ms 270708 KB Output is correct
51 Correct 128 ms 270580 KB Output is correct
52 Correct 132 ms 270548 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 270636 KB Output is correct
2 Correct 128 ms 270676 KB Output is correct
3 Correct 148 ms 270676 KB Output is correct
4 Correct 143 ms 270716 KB Output is correct
5 Correct 133 ms 270576 KB Output is correct
6 Correct 134 ms 270576 KB Output is correct
7 Correct 135 ms 270676 KB Output is correct
8 Correct 132 ms 270676 KB Output is correct
9 Correct 129 ms 270504 KB Output is correct
10 Correct 127 ms 270660 KB Output is correct
11 Correct 130 ms 270716 KB Output is correct
12 Correct 130 ms 270724 KB Output is correct
13 Correct 126 ms 270672 KB Output is correct
14 Correct 130 ms 270648 KB Output is correct
15 Correct 147 ms 270672 KB Output is correct
16 Correct 145 ms 270676 KB Output is correct
17 Correct 128 ms 270672 KB Output is correct
18 Correct 128 ms 270572 KB Output is correct
19 Correct 127 ms 270672 KB Output is correct
20 Correct 128 ms 270928 KB Output is correct
21 Correct 128 ms 270672 KB Output is correct
22 Correct 130 ms 270932 KB Output is correct
23 Correct 146 ms 270704 KB Output is correct
24 Correct 129 ms 270524 KB Output is correct
25 Correct 126 ms 270672 KB Output is correct
26 Correct 132 ms 270488 KB Output is correct
27 Correct 127 ms 270624 KB Output is correct
28 Correct 131 ms 270636 KB Output is correct
29 Correct 131 ms 270640 KB Output is correct
30 Correct 128 ms 270664 KB Output is correct
31 Correct 136 ms 270588 KB Output is correct
32 Correct 138 ms 270676 KB Output is correct
33 Correct 136 ms 270672 KB Output is correct
34 Correct 129 ms 270532 KB Output is correct
35 Correct 128 ms 270672 KB Output is correct
36 Correct 131 ms 270676 KB Output is correct
37 Correct 136 ms 270704 KB Output is correct
38 Correct 129 ms 270524 KB Output is correct
39 Correct 127 ms 270680 KB Output is correct
40 Correct 128 ms 270676 KB Output is correct
41 Correct 128 ms 270672 KB Output is correct
42 Correct 127 ms 270724 KB Output is correct
43 Correct 127 ms 270604 KB Output is correct
44 Correct 133 ms 270676 KB Output is correct
45 Correct 129 ms 270600 KB Output is correct
46 Correct 128 ms 270676 KB Output is correct
47 Correct 132 ms 270520 KB Output is correct
48 Correct 128 ms 270724 KB Output is correct
49 Correct 132 ms 270568 KB Output is correct
50 Correct 127 ms 270672 KB Output is correct
51 Correct 134 ms 270908 KB Output is correct
52 Correct 128 ms 270736 KB Output is correct
53 Correct 135 ms 270676 KB Output is correct
54 Correct 137 ms 271184 KB Output is correct
55 Correct 132 ms 271032 KB Output is correct
56 Correct 218 ms 274772 KB Output is correct
57 Correct 195 ms 274848 KB Output is correct
58 Correct 179 ms 274792 KB Output is correct
59 Correct 184 ms 275284 KB Output is correct
60 Correct 191 ms 276152 KB Output is correct
61 Correct 173 ms 275796 KB Output is correct
62 Correct 186 ms 276564 KB Output is correct
63 Correct 185 ms 276572 KB Output is correct
64 Correct 183 ms 276564 KB Output is correct
65 Correct 189 ms 276040 KB Output is correct
66 Correct 183 ms 276488 KB Output is correct
67 Correct 180 ms 276304 KB Output is correct
68 Correct 179 ms 276564 KB Output is correct
69 Correct 128 ms 270672 KB Output is correct
70 Correct 145 ms 270504 KB Output is correct
71 Correct 184 ms 276560 KB Output is correct
72 Correct 183 ms 276564 KB Output is correct
73 Correct 191 ms 276564 KB Output is correct
74 Correct 137 ms 270672 KB Output is correct
75 Correct 136 ms 270632 KB Output is correct
76 Correct 128 ms 270716 KB Output is correct
77 Correct 147 ms 270632 KB Output is correct
78 Correct 184 ms 274744 KB Output is correct
79 Correct 184 ms 275952 KB Output is correct
80 Correct 184 ms 276048 KB Output is correct
81 Correct 185 ms 276456 KB Output is correct
82 Correct 198 ms 275976 KB Output is correct
83 Correct 182 ms 276012 KB Output is correct
84 Correct 127 ms 270672 KB Output is correct
85 Correct 130 ms 270676 KB Output is correct
86 Correct 136 ms 270592 KB Output is correct
87 Correct 134 ms 270564 KB Output is correct
88 Correct 133 ms 270676 KB Output is correct
89 Correct 129 ms 270592 KB Output is correct
90 Correct 132 ms 270652 KB Output is correct
91 Correct 131 ms 270676 KB Output is correct
92 Correct 131 ms 270732 KB Output is correct
93 Correct 135 ms 270712 KB Output is correct
94 Correct 134 ms 270612 KB Output is correct
95 Correct 130 ms 270520 KB Output is correct
96 Correct 135 ms 270672 KB Output is correct
97 Correct 133 ms 270708 KB Output is correct
98 Correct 128 ms 270580 KB Output is correct
99 Correct 132 ms 270548 KB Output is correct
100 Correct 128 ms 270676 KB Output is correct
101 Correct 138 ms 271268 KB Output is correct
102 Correct 139 ms 271152 KB Output is correct
103 Correct 197 ms 276052 KB Output is correct
104 Correct 184 ms 276052 KB Output is correct
105 Correct 192 ms 276048 KB Output is correct
106 Correct 184 ms 276124 KB Output is correct
107 Correct 184 ms 276080 KB Output is correct
108 Correct 183 ms 276272 KB Output is correct
109 Correct 181 ms 276376 KB Output is correct
110 Correct 183 ms 276344 KB Output is correct
111 Correct 187 ms 276048 KB Output is correct
112 Correct 195 ms 275912 KB Output is correct
113 Correct 192 ms 276052 KB Output is correct
114 Correct 186 ms 276072 KB Output is correct
115 Correct 185 ms 276048 KB Output is correct